Re: Bug in Carp::Heavy/5.6.0?

[p5sagit/p5-mst-13.2.git] / sv.c

diff --git a/sv.c b/sv.c
index 5fd6533..9e6a336 100644 (file)
--- a/sv.c
+++ b/sv.c
@@ -2570,7 +2570,8 @@ Perl_sv_setsv(pTHX_ SV *dstr, register SV *sstr)
            SvIVX(dstr) = SvIVX(sstr);
            if (SvIsUV(sstr))
                SvIsUV_on(dstr);
-           SvTAINT(dstr);
+           if (SvTAINTED(sstr))
+               SvTAINT(dstr);
            return;
        }
        goto undef_sstr;
@@ -2590,7 +2591,8 @@ Perl_sv_setsv(pTHX_ SV *dstr, register SV *sstr)
            }
            SvNVX(dstr) = SvNVX(sstr);
            (void)SvNOK_only(dstr);
-           SvTAINT(dstr);
+           if (SvTAINTED(sstr))
+               SvTAINT(dstr);
            return;
        }
        goto undef_sstr;
@@ -2659,7 +2661,8 @@ Perl_sv_setsv(pTHX_ SV *dstr, register SV *sstr)
            GvINTRO_off(dstr);          /* one-shot flag */
            gp_free((GV*)dstr);
            GvGP(dstr) = gp_ref(GvGP(sstr));
-           SvTAINT(dstr);
+           if (SvTAINTED(sstr))
+               SvTAINT(dstr);
            if (GvIMPORTED(dstr) != GVf_IMPORTED
                && CopSTASH_ne(PL_curcop, GvSTASH(dstr)))
            {
@@ -2816,7 +2819,8 @@ Perl_sv_setsv(pTHX_ SV *dstr, register SV *sstr)
                    SvREFCNT_dec(dref);
                if (intro)
                    SAVEFREESV(sref);
-               SvTAINT(dstr);
+               if (SvTAINTED(sstr))
+                   SvTAINT(dstr);
                return;
            }
            if (SvPVX(dstr)) {
@@ -2925,7 +2929,8 @@ Perl_sv_setsv(pTHX_ SV *dstr, register SV *sstr)
        else
            (void)SvOK_off(dstr);
     }
-    SvTAINT(dstr);
+    if (SvTAINTED(sstr))
+       SvTAINT(dstr);
 }
 
 /*
@@ -6619,15 +6624,7 @@ Perl_sv_vcatpvfn(pTHX_ SV *sv, const char *pat, STRLEN patlen, va_list *args, SV
                *--eptr = '#';
            *--eptr = '%';
 
-           {
-               STORE_NUMERIC_STANDARD_SET_LOCAL();
-#ifdef USE_LOCALE_NUMERIC
-               if (!was_standard && maybe_tainted)
-                   *maybe_tainted = TRUE;
-#endif
-               (void)sprintf(PL_efloatbuf, eptr, nv);
-               RESTORE_NUMERIC_STANDARD();
-           }
+           (void)sprintf(PL_efloatbuf, eptr, nv);
 
            eptr = PL_efloatbuf;
            elen = strlen(PL_efloatbuf);